ComponentOne Basic Library for UWP
Collapsing Event (C1TreeViewItem)

C1.UWP Assembly > C1.Xaml Namespace > C1TreeViewItem Class : Collapsing Event
Occurs before the C1TreeViewItem is collapsed.
Syntax
'Declaration
 
Public Event Collapsing As System.EventHandler(Of SourcedEventArgs)
public event System.EventHandler<SourcedEventArgs> Collapsing
Event Data

The event handler receives an argument of type SourcedEventArgs containing data related to this event. The following SourcedEventArgs properties provide information specific to this event.

PropertyDescription
Gets or sets the source of the event.  
See Also